Leo has 59 bricks each measuring 0.19m long. he lines up the bricks to make a row.

part a-
estimate the length of leo's row of bricks. write an equation to model your work.

part b- find the actual length of the row of bricks.

The variable z is directly proportional to x, and inversely proportional to y. when x is 4 and y is 13, z has the value 1.2307692307692. what is the value of z when x= 9, and y= 20

Let hh represent the number of hummingbirds and ss represent the number of sunbirds that must pollinate the colony so it can survive until next year. 6h+4s > 746h+4s> 74 this year, 88 hummingbirds pollinated the colony. what is the least number of sunbirds that must pollinate the colony to ensure that it will survive until next year?

Combine like terms to make a simpler expression 3z+z